47results about How to "Improve overlay performance" patented technology

The invention discloses preparation methods of a hot melt pressure-sensitive adhesive and a protective film as well as the hot melt pressure-sensitive adhesive. The preparation method of the hot melt pressure-sensitive adhesive comprises the following steps: adding thermoplastic elastomers, a tackifier, a plasticizer, an antiager, an antioxidant, a crosslinker, a filler and the like into a double-mixed column mixer, stirring, heating until the materials are melted down, and uniformly mixing to obtain the pressure-sensitive adhesive. The preparation method of the protective film comprises the following steps: directly pumping the melted and uniformly mixed pressure-sensitive adhesive into a coating roll of the a hot melt coating machine by a heat transfer pump, coating the pressure-sensitive adhesive onto one face of a polyolefin plastic film or thin plastic-coated paper, cooling, and rolling to obtain the protective film (paper). The hot melt pressure-sensitive adhesive disclosed by the invention can obtain good initial stickiness, cohesion and age stripping property by changing the different ratio of the thermoplastic elastomer as well as the variety and usage amount of the tackifier. The prepared polyethylene (PE) film substrate protective film has low interfacial tension, good initial stickiness, high cohesion and high temperature resistance, light resistance and weather resistance, and the comprehensive performance and product cost of the hot melt pressure-sensitive adhesive disclosed by the invention are better than those of the traditional solvent pressure-sensitive adhesive taking natural rubber as the main material.

Disclosed are a method for sending/receiving repeated information, a base station and a user equipment. The method for sending repeated information comprises: sending to a user equipment, by a base station, a physical layer signalling or a high layer signalling which indicates repeated information, wherein the repeated information is used for adjusting the number of times of transmission of a channel, and the repeated information comprises at least one of the following: a repetition level, the number of times of repetition and a coverage level. By means of the present invention, the problem of wasting of resources or deficient number of times of repetition caused by transmitting a corresponding channel using the fixed number of times of repeat transmission is solved, thereby avoiding wasting of resources and improving the coverage performance of a user equipment.

The embodiments of the invention provides a resource allocation method, an apparatus and a base station. The method comprises: network side equipment receives a measuring report sent by UE; the network side equipment obtains RSRP1 and RSRP2 from the measuring report and the RSRP1 is RSRP from the UE to a serving cell and the RSRP2 is the RSRP from the UE to an adjacent cell; the network side equipment determines a frequency band which the UE is suitable for using according to an absolute value of the RSRP1, an absolute value of the RSRP2 and difference between the RSRP1 and the RSRP2, wherein the frequency band comprises a central frequency band and an edge frequncy band; and the network side equipment allocates resource for the UE on the frequncey band fit for a determining result according to the determining result. In the embodiments of the invention, the network side equipment determines the frequency band fit for the UE according to the difference between the RSRP1 and the RSRP2, the absolute value of the RSRP1 and the absolute value of the RSRP2 and allocates resource for the UE on the suitable frequnency band, thereby increasing covering performance of the cell.

The embodiment of the invention relates to the technical field of wireless communications and particularly relates to a method for sending PDCCHs (Physical Downlink Control Channels) and equipment for sending the PDCCHs which are used for solving the problem that the inter-cell interference (ICI) of a downlink control area is strong in the prior art. The method comprises the following steps of: dividing all subframes in a resource planning time period into a plurality of subframe sets according to normalized transmitting power values of the PDCCHs; and determining transmitting parameters which bear subframes of the PDCCHs in each subframe set according to a compared result of the transmitting power values and normalized power threshold values of the PDCCHs with strong interference, and further, sending the PDCCHs according to corresponding transmitting parameters, wherein the PDCCHs with the strong interference are the PDCCHs of which the transmitting power values are larger than first threshold values correspondingly. When the transmitting parameters which bear the subframes of the PDCCHs are determined, the ICI is considered; therefore, the ICI of the downlink control area is lowered.

The invention discloses a halogen-free flame-retardant adhesive composition. The composition comprises the following components in part by weight: 15 to 45 parts of halogen-free epoxy resin, 15 to 60 parts of thermoplastic resin and/or synthetic rubber, 0.1 to 8 parts of curing agent and 5 to 60 parts of phosphorus-containing composite flame retardant. The invention also discloses a flexible copper-clad plate using the adhesive composition. The cured product of the adhesive composition provided by the invention shows high flame retardance, peeling strength, electric performance and welding heat resistance, does not comprise harmful substances or elements such as halogen, antimonide and the like and does not pollute environment; the flame retardant rating of the flexible copper-clad plate prepared from the composition of the invention reaches UL-94V0, and the flexible copper-clad plate also has the advantages of high heat resistance, high peeling strength, soldering resistance, no demixing after being subjected to dip soldering at the temperature of 300 DEG C for 1 minute and no bubbles; and because the halogen-free composition of the invention has high sticking performance, the speed of a production line can be increased and the production efficiency is improved.

The invention provides a pre-stressed duct grouting agent which has the characteristics of high fluidity, bleeding prevention and the like. The pre-stressed duct grouting agent comprises the following components: 2 to 10 percent of a water reducing agent, 0.1 to 10 percent of a viscosity modifying agent, 0 to 1 percent of a defoaming agent, and 35 to 78 percent of a coagulation time regulating agent; the coagulation time regulating agent comprises the following components: 28 to 52 percent of clinker, 42 to 68 percent of plaster, 4 to 30 percent of fillers, and 0 to 3 percent of a coagulation accelerator. The invention further provides a preparation method and an application method of the pre-stressed duct grouting agent. The invention has the advantages that the pre-stressed duct grouting agent contains the cement coagulation time regulating agent, so that the coagulation time of a cement-based composite material can be regulated based on external temperature changes to guarantee the normal use and normal strength growth of the cement-based composite material; meanwhile, the cement-based composite material achieves micro-expansion at the later stage due to the addition of the cement coagulation time regulating agent.

A caption adding system is featured as connecting control module to the first and the second sampling modules as well as image-caption mixing module, connecting image-caption mixing module separately to the first sampling module and the second sampling module, inputting image signal to image-caption mixing module via the first sampling module, inputting caption signal to image-caption mixing module via caption edging module and the second sampling module, outputting mixed image and caption signal from image-caption mixing module.

The invention discloses a method and a device for enhancing uplink coverage, and a base station. The method comprises the step that a network side controls UE (user equipment) to use more than two HARQ (hybrid automatic repeat request) processes to transmit the same UL (uplink) transmission block. According to the method disclosed by the invention, the base station controls the UE to use more than two HARQ processes to transmit the same UL transmission block and controls the enhancement of the uplink coverage by controlling the cluster length of the TTI (transmission time interval) and the maximum trial transmission times of the HARQ processes, so that not only can the coverage performance of the UL be improved, but also the flexibility of the resource allocation can be realized.

The invention discloses a multi-layer film type acoustic meta-material structure and a design method thereof. The meta-material structure comprises a plurality of stacked film type acoustic meta-material units with different structural parameters, and each meta-material unit is divided by a hard frame to form the wide-frequency-band low-frequency sound insulation structure with a plurality of sound insulation peaks. The method comprises the following steps: calculating the sound insulation peak frequency of a meta-material unit; and according to the sound insulation peak frequency, constructing the acoustic meta-material structure in one form of equal spacing, peak value and valley value complementing and noise source customization. The structure can be applied to various vehicles and building decoration, and a brand new noise reduction method is provided for creating a low-noise environment.

The invention relates to a system and method for superimposing subtitles on dynamic or static images. The existing method has the defects on pollution of each other's color images and subtitles through the way of superimposing subtitles on the video content directly. The system includes a control module, a hybrid module and an image sampling module, which are connected with each other. The image-signals are input at one end of the hybrid module. The subtitle-signals are input at the other end of the hybrid module by the subtitles bordering module involved in the described system. Then the mixed signals of images and subtitles are output through the image sampling module.

The invention relates to a small multilayer pay-off device, and belongs to the field of production application. The small multilayer pay-off device is composed of a structural framework and wire supporting discs. The small multilayer pay-off device is characterized in that a central rotating shaft and universal wheels are arranged on the structural framework, moreover, wire leading ports are formed in the structural framework, the wire supporting discs are supported through the universal wheels, the central rotating shaft penetrates through the wire supporting discs so that the wire supportingdiscs can rotate around the central rotating shaft, when wire coils are replaced, the wire supporting discs are supported upwards supports so as to be away from the central rotating shaft, and the wire supporting discs are taken out from one side of the structural framework, and the wire supporting discs are installed in the structural framework again after new wire coils are loaded into the wiresupporting discs. According to the small multilayer pay-off device, the structure is firm, the use is convenient, and the taking and use efficiency of electric wires, packaging pipes and other soft materials which are packaged by turns is greatly improved.

A method and system for reconstructing seismic data based on Fourier transform are disclosed. The method may comprise the following steps: establishing a Fourier reconstruction linear equation by a multi-step autoregressive method based on initial seismic data; establishing a target function by least squares inversion based on Fourier reconstruction linear equation; obtaining a sparse solution based on the objective function, and further reconstructing seismic data. The method combines the least squares Fourier reconstruction method and the multi-step autoregressive method to obtain a good application effect for accurately reconstructing complex seismic data, which plays a very important role for improving the precision of subsequent velocity analysis, improving the superposition effect, enhancing the quality of pre-stack migration, etc.

The invention relates to a manufacturing method for ferrum-silicon-aluminum magnetic cores. The manufacturing method for the ferrum-silicon-aluminum magnetic cores includes that ferrum-silicon-aluminum magnetic powder is processed through acid and then dry-pressed, so that the power is easy to mold, product density is improved, and meanwhile, the power can achieve high magnetic conductivity after heat treatment. Compared with the prior art, the manufacturing method for the ferrum-silicon-aluminum magnetic cores has the advantages that by means of control of the appending proportion, intensity of pressure of molding, sintering temperature and the like in power allocation, the ferrum-silicon-aluminum magnetic cores with 147 (+/- 8%) of magnetic conductivity are manufactured, and the ferrum-silicon-aluminum magnetic cores are low in iron loss and good in composition performance; process sequences are simple; and raw and auxiliary materials are low in cost.

The invention belongs to the field of oil-gas exploration seismic data processing, and specifically relates to a differential evolution algorithm-based CRS dip decomposition method. According to the method, a dip is divided into a plurality of parts through dispersing an emergence angle alpha, a parameter with a highest similarity is obtained for each part on the basis of a differential evolutionalgorithm, and finally the parts are superposed. According to the differential evolution algorithm-based CRS dip decomposition method, in order to solve coherent values of three independent variablesalpha, RNIP and RN, a correlation coefficient for balancing the sizes of the coherent values is used as a target function to search three parameters. An angle parameter range of the whole search spaceis divided into relatively small parts, so that event information which interferes mutually to cause shielding can be recognized. Through combining dip division with a global optimization scheme, complicated subsurface structure conditions are effectively restored and the effect of common reflection surface superposition is improved.

The invention discloses a preparation method of a manganese-zinc soft magnetic ferrite material, and belongs to the technical field of soft magnetic ferrite. The preparation method comprises the steps that ferric oxide, manganese carbonate, hydrochloric acid and the like are put into a ball mill for ball milling; a ball milling mixture is collected, dried in a drying oven and then crushed in a crusher to obtain sieving particles; uniform stirring with triethanolamine, tetrabutyl titanate and the like is performed; the mixture is calcined; a calcined product, strontium carbonate, columbic anhydride, calcium oxide and zirconium boride are subjected to ball milling treatment, and then fused and milled in an electric furnace; a milling mixture is uniformly mixed with a polyvinyl alcohol solution; spray drying is performed; a dried product is put into a mold, pressed by a pressing machine, and calcined in a calcining furnace; and a calcined product is collected to obtain the manganese-zinc soft magnetic ferrite material. The manganese-zinc soft magnetic ferrite material prepared by the method has higher purity and stable performance.

The invention provides a seismic data weighted stacking method based on dynamic time warping. The method comprises the steps of S1 selecting a reference seismic trace, and setting the reference seismic trace as an arithmetic mean value of a pre-stack seismic data matrix in a spatial direction; S2 calculating DTW matching points between each pre-stack seismic trace and the reference seismic trace through the following formula, and searching sampling points associated with each sampling point of the reference seismic trace in the CMP trace set; S3 setting the weight of each sampling point according to the noise of each related sampling point; S4 updating each sampling point of the reference seismic trace as a weighted average value of the sampling points related to the sampling point; and S5repeating the steps S2 to S4 until convergence, and outputting the reference seismic trace as a final superimposed seismic trace. According to the method, the advantages of a DTW method and a weighted stacking method are combined, the influence of seismic trace time migration errors and seismic data noise on data stacking is overcome, and a good application effect is obtained through testing on synthetic data and real seismic data.

The invention discloses a wind generating set based on direct piezoelectric effect, comprising a windward member, a piezoelectric generating component and a subsequent processing circuit module. The wind generating set generates power from wind by combining wind energy utilization and piezoelectric power generation and has the advantages of simple structure, convenience in mounting, manufacturing and maintenance, low cost, high wind energy utilization rate, low start wind speed and the like.

The invention discloses a high-superposition magnetic core material. The high-superposition magnetic core material is prepared from, by weight, 60-65 parts of hydroxyl iron powder, 10-15 parts of iron sesquioxide, 25-27 parts of manganese oxide, 21-23 parts of zinc oxide, 4-5 parts of silane coupling agent kh570, 5-7 parts of organic silicon resin, 1-2 parts of polyving akohol, 7-9 parts of sodium silicate, 0.4-0.5 part of neodymium oxide, 1-1.3 parts of glass powder, 0.4-0.7 part of lithium chloride and a proper amount of water. The prepared magnetic core material has the functions of very good superposition performance, high stability, the low loss and other aspects, the preparing technology is simple, material sources are wide, cost is low, and good applicability is achieved.

The invention provides a transmission processing method and device of a downlink control channel. The transmission processing method comprises steps of performing framing processing on DCI data of a physical downlink control channel PDCCH based on a preset maximum number of PDCCH repetition times; if the frame number of the DCI data after the framing processing is smaller than 8, performing jointencoding according to the frame number of the DCI data and sending the encoded DCI data; and if the frame number of the DCI data after the framing processing is greater than or equal to 8, adopting 8-frame joint encoding and transmitting the encoded DCI data repeatedly by regarding eight frames as a period. By giving consideration to a coverage enhancement problem, the transmission method of the PDCCH is designed again to perform PDCCH transmission periodically; and users with poor coverage can further improve the demodulation performance of the system, improve the coverage performance and further enhance transmission reliability by increasing the number of repetition times.

The invention relates to the papermaking technology, in particular to a silicon textured paper production technology. The silicon textured paper production technology includes the steps of pulp making, papermaking drifting, dehydrating and forming, drying, paper rewinding and slitting, and impregnation and processing. In the pulp making step, soft long fibers are selected, devillicating and beating are used, the beating degree is controlled to be 25-31 oC, the wet weight is 14-16 g, it is ensured that paper feels soft, 45-55 kg of wet strength agent is added into each ton of paper during pulp preparing to provide high wet strength for the paper so that the paper cannot be broken in the impregnation process, and then 10-20 kg of softening agent is added into each ton of paper so as to improve the softness of the paper. The technology has the advantages that the silicon textured paper produced from pure wood pulp fibers is economical and environmentally friendly, the paper is high in elongation and good in softness, and after the paper is manufactured into adhesive tape, the adhesive tape is not likely to tear when adhered to corners or wound; the paper is high in smoothness, so that when the paper is manufactured into the adhesive tape, the covering property of the adhesive tape is good and the adhesive tape is not likely to fall off.

The invention relates to ferrite water-based pigment paste for cosmetics, a preparation method thereof and a preparation method of make-up products. The pigment paste is prepared from the following components in percentage: 10-55 percent of ferrite colorant, 1-25 percent of a wetting dispersant, 3-10 percent of cosolvent, 0.5-3 percent of magnesium lithium silicate, 2-5 percent of xanthan gum, 1-2percent of bactericide and the balance being solvent water. An excellent effect can be achieved by using an antisettling technology of combining 0.5-3 percent of magnesium lithium silicate and 2-5 percent of xanthan gum, and the paste is excellent in storing stability, can be placed at normal temperature for 3 years or placed at high temperature of 55 DEG C for 6 months, and has the disperse system viscosity variation being less than 5 percent. The invention provides a set of paste meeting the requirement of related regulations of cosmetics (including eyes and mucous contact cosmetics) from different countries in the world and can be used for making different colors by mixing different colors of pastes. The stability and compatibility of paste are highly required to meet the demand of combination.

The invention relates to a wear-resistant coating material for a wooden tea table surface plates, and relates to the technical field of tea table processing and production, wherein the wear-resistantcoating material is prepared from the following materials by weight: 10-15 parts of a resin, 4-9 parts of a silane coupling agent KH-550, 4-8 parts of modified perlite, 5-9 parts of an adhesion aid, 1-5 parts of N,N-methylenebisacrylamide, 4-9 parts of n-dodecyltrichlorosilane, 1-5 parts of polydicyclopentadiene, 1-6 parts of 2-(heptadecenyl)-4,5-dihydro-1H-imidazole-1-ethanol, 1-3 parts of dioctyl epoxy tetrahydrophthalate, 2-7 parts of nanometer titanium dioxide, 4-8 parts of an anti-aging agent A, 4-9 parts of a filler, and 16-22 parts of deionized water. According to the present invention,the method is reasonable, the operation is convenient, and the wear-resistant coating material has characteristics of wear resistance and high temperature resistance.